How relational model so ALTER script is not modernized since any DB schema

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  You can also add numbers if you have collections that do not use characters of the alphabet.

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• How can I import tables to a different schema in the relational model existing... to add these tables in the existing model? PLSS help

  How can I import tables from a different schema in the relational model... to add these tables in the existing relational/logic model? PLSS help

  Notes; I already have a schema ready relational/logic model... and I need to add more tables to this relational/logic model

  can I import the same way like I did before?

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  To view the diagram of logic model in Bachman notation, you right-click on a blank area of the diagram and select the rating > Bachman Notation.

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• How to find the child level for each table in a relational model?

  Earthlings,
  
  I need your help, and I know that, "Yes, we can change." Change this thread to a question answered.
  
  So: How to find the child level for each table in a relational model?
  
  I have a database of relacional (9.2), all right?
  

  .
       O /* This is a child who makes N references to each of the follow N parent tables (here: three), and so on. */
      /↑\ Fks
     O"O O" <-- level 2 for first table (circle)
    /↑\ Fks
  "o"o"o" <-- level 1 for middle table (circle)
     ↑ Fk
    "º"

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  -Each circle represents a table;
  -Red no tables have foreign key
  -the picture on the front line of tree, for example, a level 3, but when 3 becomes N? How is N? That is the question.
  
  I started to think about the following:
  
  First of all, I need to know how to take the kids:

  select distinct child.table_name child
    from all_cons_columns father
    join all_cons_columns child
   using (owner, position)
    join (select child.owner,
                 child.constraint_name fk,
                 child.table_name child,
                 child.r_constraint_name pk,
                 father.table_name father
            from all_constraints father, all_constraints child
           where child.r_owner = father.owner
             and child.r_constraint_name = father.constraint_name
             and father.constraint_type in ('P', 'U')
             and child.constraint_type = 'R'
             and child.owner = 'OWNER') aux
   using (owner)
   where child.constraint_name = aux.fk
     and child.table_name = aux.child
     and father.constraint_name = aux.pk
     and father.table_name = aux.father;

  Thought...
  We will share!
  
  Thanks in advance,
  Philips
  
  Published by: BluShadow on April 1st, 2011 15:08
  formatting of code and hierarchy for readbility

  Have you looked to see if there is a cycle in the graph of dependence? Is there a table that has a foreign key to B and B has a back of A foreign key?

  SQL> create table my_emp (
    2    emp_id number primary key,
    3    emp_name varchar2(10),
    4    manager_id number
    5  );
  
  Table created.
  
  SQL> ed
  Wrote file afiedt.buf
  
    1  create table my_mgr (
    2    manager_id number primary key,
    3    employee_id number references my_emp( emp_id ),
    4    purchasing_authority number
    5* )
  SQL> /
  
  Table created.
  
  SQL> alter table my_emp
    2    add constraint fk_emp_mgr foreign key( manager_id )
    3         references my_mgr( manager_id );
  
  Table altered.
  
  SQL> ed
  Wrote file afiedt.buf
  
    1   select level lvl,
    2          child_table_name,
    3          sys_connect_by_path( child_table_name, '/' ) path
    4     from (select parent.table_name      parent_table_name,
    5                  parent.constraint_name parent_constraint_name,
    6                  child.table_name        child_table_name,
    7                  child.constraint_name   child_constraint_name
    8             from user_constraints parent,
    9                  user_constraints child
   10            where child.constraint_type = 'R'
   11              and parent.constraint_type = 'P'
   12              and child.r_constraint_name = parent.constraint_name
   13           union all
   14           select null,
   15                  null,
   16                  table_name,
   17                  constraint_name
   18             from user_constraints
   19            where constraint_type = 'P')
   20    start with child_table_name = 'MY_EMP'
   21*  connect by prior child_table_name = parent_table_name
  SQL> /
  ERROR:
  ORA-01436: CONNECT BY loop in user data
  

  If you have a cycle, you have some problems.

  (1) it is a NOCYCLE keyword does not cause the error, but that probably requires an Oracle version which is not so far off support. I don't think it was available at the time 9.2 but I don't have anything old enough to test on

  SQL> ed
  Wrote file afiedt.buf
  
    1   select level lvl,
    2          child_table_name,
    3          sys_connect_by_path( child_table_name, '/' ) path
    4     from (select parent.table_name      parent_table_name,
    5                  parent.constraint_name parent_constraint_name,
    6                  child.table_name        child_table_name,
    7                  child.constraint_name   child_constraint_name
    8             from user_constraints parent,
    9                  user_constraints child
   10            where child.constraint_type = 'R'
   11              and parent.constraint_type = 'P'
   12              and child.r_constraint_name = parent.constraint_name
   13           union all
   14           select null,
   15                  null,
   16                  table_name,
   17                  constraint_name
   18             from user_constraints
   19            where constraint_type = 'P')
   20    start with child_table_name = 'MY_EMP'
   21*  connect by nocycle prior child_table_name = parent_table_name
  SQL> /
  
         LVL CHILD_TABLE_NAME               PATH
  ---------- ------------------------------ --------------------
           1 MY_EMP                         /MY_EMP
           2 MY_MGR                         /MY_EMP/MY_MGR
           1 MY_EMP                         /MY_EMP
           2 MY_MGR                         /MY_EMP/MY_MGR
  

  (2) If you try to write on a table and all of its constraints in a file and do it in a valid order, the entire solution is probably wrong. It is impossible, for example, to generate the DDL for MY_EMP and MY_DEPT such as all instructions for a table come first, and all the instructions for the other are generated second. So even if NOCYCLE to avoid the error, you would end up with an invalid DDL script. If that's the problem, I would rethink the approach.

  -Generate the DDL for all tables without constraint
  -Can generate the DDL for all primary key constraints
  -Can generate the DDL for all unique key constraints
  -Can generate the DDL for all foreign key constraints

  This is not solidarity all the DOF for a given in the file object. But the SQL will be radically simpler writing - there will be no need to even look at the dependency graph.

  Justin

• How to apply a custom rule just for a relational model?

  Hello

  My drawing has several relationship models, but I want to check custom rules or apply custom transformations just to a specific relational model.

  So, I created a 'personal library' called 'Custom design rules' with the following function:

  function checkColComments() {}

  result = true;

  ruleMessage ="";

  If (! column.getCommentInRDBMS ()) {}

  ruleMessage = 'no comment in RDBMS defined ";

  errType = "error";

  result = false;

  }

  return the result;

  }

  In the 'custom design rules", I created a rule"Comments column Check", referring to the library and the method created previously.

  But, even if I chose the "relational model" which I intend to apply this validation rule, run the script for all open models.

  This seems a bug (I use v3.3.0.747 DDM,) because it is asked to select the template to apply the script, but subsequently, this selection is ignored.

  I have not yet tried the v4.0EA to see if it has been resolved or not and the release notes does not refer to the list of the bugs fixed (or I have not found) as it was in version 3.3.0.747.

  No idea if I'm doing something wrong or if the bug still exists?

  Thank you!

  Hello

  design (including custom) rules are still applied on a relational model. I wasn't able to reproduce a case when this rule is broken.

  However, there is a bug in the 'Custom Design Rules' functionality and the rule is applied on what is called "current" model and model selected is ignored.

  Which works very well in the "Design rules" feature, where the selected model is used.

  As workaround for 'Custom Design Rules' - you can generate DDL by using "Generate the DDL" icon and this model will become as "current"relational model. "

  Philippe

• List of relational models available when the design is open is not true

  I use DM 3.3.0.747 and I have a design with 11 relationship models (without logic models) and I'm using version control.
  Each relational model has been added, the after another, using the 'import of data dictionary' and then added/committed to svn.
  After it was created 11 models, I save and closed the project.
  
  But now when the design file is reopened, the screen "Selectionner select relational models, shows only 7 of 11 models.
  Models that do not appear in this list are open regardless of what is selected.
  
  Thus, all relational models are in the project, but it's like the 'Pseudo-index"used by the splash screen when the design is open is obsolete.
  
  The only way to fix it was save as project in another empty folder, but of workaround does not resolve the problem in the folder where the files are versioned.
  
  Suggestions of what might happen, and how I can fix?
  He would not re - import the SVN project and tomorrow, when I need to add a new model to get the same problem because I did, and that's what happened again.
  
  Thank you!

  Hello

  You must delete the file dmd_open.xml in the directory of the design. There is a bug and this need to file should be deleted after adding new model relational.

  Philippe

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• How do I run a script only if the field is not empty

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  Well well, thanks to you, I had a full date on separate days, the months and the years in different areas. But now, I have a problem, as PDF has several fields calculated with script if you enter the date calculated by all other areas, which have separated and undefinied gives me does not want to put this to not always use this field. I tried to put one conditional if else but I sale. Esto, this is what I'm wearing

  var datesol = event.value;//declaramos the variable

  If (datesol = "") {}

  this.getField('yearsol').value = "";

  this.getField('monthsol').value = "";

  this.getField('daysol').value = ""}

  else {}

  var array_datesol = datesol.split("/"); / / separamos esa con date the split funcio

  this.getField('yearsol').value = array_datesol [2];

  this.getField('monthsol').value = array_datesol [1];

  this.getField('daysol').value = array_datesol [0];

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  Help please

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  If (datesol = "")

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• Is engineer to the relational model - possible to force a crash of the relational model

  Hello

  Is it possible to force a crash of a relational model existing at execution of the engineer to the relational model? Example: If I change the order of an attribute (in an entity) and do an engineer to the relational model, the order of the columns (in the table) remains the same. Although as said, I changed it in the logic model. It is with my current settings. I have not found a property to the order 'RM keep' or 'forcing the crash of the RM.

  How can I make such a change to the relational model?

  Best regards

  Robert

  Hi Robert,.

  support - Yes it is in the direction opposite - order of the attributes of logic model is applied to the columns of the tables.

  On the search feature:

  http://www.thatjeffsmith.com/archive/2012/11/SQL-Developer-Data-Modeler-v3-3-early-adopter-search/

  http://www.thatjeffsmith.com/archive/2015/07/search-and-replace-in-Oracle-SQL-Developer-Data-Modeler/

  https://apexapps.Oracle.com/pls/Apex/f?p=44785:24:no:P24_CONTENT_ID, P24_PREV_PAGE:6623, 2

  and here Oracle Sql Developer Data Modeling 3 3 new features

  shortly:

  (1) do simple search - put asterisk and press enter

  2) filter on the tables

  (3) properties of the Commons game - there is a bug on this feature in 4.1.888 but it will do the job

  BTW - DM is distributed with the transformation (named "Columns order") script that reorders columns in a specific way - PK columns, the columns FK, the required and optional columns.

  At the end of the treatment for each table, it sets this property to false - table.setAllowColumnReorder (false);

  So, you can do the same thing with the scripts - there are examples that you can use as a starting point.

  Philippe

• Entity and attribute transformation of names (case-sensitive) to the relational model

  Hello

  For the names of entities and attributes, I would use camel casing, e. g. AccessRightGroup (or the right access group) and its translation to the relational model in the Table name access_right_groups. I found, I can do in the entity properties > General > abbreviation preferred by writing the name of the table you want in this area. But I guess that there is a more elegant way by setting that breaks are transformed into small capital and underlined and entity (set) becomes plural as table. Is there such a possibility?

  How that would make the camel case attributes?

  Best regards, Robert

  Hi Robert,.

  case-sensitive, you must set 'Title case' as a separator for logic model in the design properties dialog box "settings > naming standards '-c' is for this form of the names AccessRightGroup; for group of access rights that you need not change anything - the default separator is set to 'space '.

  For the plural in the relational model, you need a glossary with defined plurals - however it only works for the entity name unique term. I logged an ER to change this.

  Tiny in a relational model - well you must set to relational model - in the Properties dialog box - "(Naming options > Table, cas de caractères...-mis à baisser et le nom sera mis dans cette affaire àle cours de la transformation) - otherwise you always can use the script provided with Data Modeler to convert the names of all the lower/upper cases."

  Phhilip

• Term plurals changes the name of the foreign key in the relational model

  Hello

  I use a glossary with plurals for entities such as Budget turned to the budgets of the table in the relational model. Unfortunately (for me) it also changes the name of the foreign key. In the related entity, an attribute (for example) is Budget_fiscal year, I expect in the relational model, being the same, but it is transformed into budgets_fiscal_year (budgets in the plural rather than keep him in singular form).

  How can I avoid any change in the attribute names (in the process of engineering in the relational model) but always turn the names of entities from the singular to the plural names for tables?

  Thank you and best regards

  Robert

  Hi Philippe

  Your suggestion 1) works - thank you! budgets_fiscal_year is the attribute of pk exercise in my budget of the entity. It seems a standard behavior of the Data Modeler to compose the UID of the relationship of budgets_fiscal_year (for some reason, this column is not taken the logical model, but the relational model). I would prefer that it be appointed budget_fiscal_year.

  I have not defined any parameter for this (intentionally). But maybe somewhere there by default. Could you tell me where the design parameters in Data Modeler to learn how to configure the definitions mentioned in 2)?

  As I'm always busy with the model of reverse engineering data, I'll wait for DM 4.1.1.888.

  Best regards

  Robert

• transformation script changes not saved in design

  Hello

  I made several scripts processing to change my relational model to the Data Modeler.

  One of the scripts defined abbreviations of table for all the table based on the PK constraint. (I'm importing the model of my data dictionary which has PK constraints defined as {abbr} _PK)

  After I "Apply of Scripts of Transformation Custom", I see that all tables have now an abbreviation of the table.

  However, if I save my design, close and reopen it, all abbreviations are empty again.

  I did a few tests and manually fill the field of abbreviation Table changes be saved.

  If I check the table XML files, I can clearly see that the table for which I manually added the acronym has a < short > tag, which is not what I filled auto with the transfer script.

  I noticed a similar behavior for scripts that I use to fill the parameters of Auto_inrement and others. After I run the script, I can see all the values filled in my template, but is not be saved and I lose all the changes made after closing my model.

  I noticed that the changes be saved if I choose Save as and save my template in a new directory (however to register as in the same directory create a SVN error).

  Is there something I should add to my .js script that changes be saved?

  Is this a bug?

  Does anyone else have these issues?

  I use Data Modeler 4.1 early adapter on a win machine 7.

  An example of .js script I use:

  //******************************************************************************

  //

  NAME: set_table_abbreviation

  AUTHOR: NVDA - NIAUW

  OBJECTIVE: use this script to define abbreviations of table in the physical model for each table

  VERSION: 1.0

  //

  PREREQUISITES:

  -Table with PK constraint and name constraints = {table abbr} _PK - as it is in the designer

  //

  //******************************************************************************

  load compatibility to 4.1 data maker script (ea)

  Load("Nashorn:mozilla_compat.js");

  import Java packages

  importPackage (javax.swing);

  //----------------------------------------------------------

  Global declarations

  //----------------------------------------------------------

  var msg ="";

  //----------------------------------------------------------

  Main body

  //----------------------------------------------------------

  find all tables in datamodel in table

  tables = model.getTableSet () .toArray ();

  loop over the tables and do something with it

  for (var t = 0; t < tables.length; t ++) {}

  If (! table [t] .getAbbreviation ()) {}

  var abbr = setAbbrv ([t] tables);

  If (abbr! == ") {}

  tables [t] .setAbbreviation (abbr);

  tables [t] .setCommentInRDBMS ("abbreviation table: ' + abbr");

  MSG += "table" table [t] .getName () + 'got abbr' abbr + "\n";

  }

  }

  }

  inform about what happened

  If (msg! == ") {}

  JOptionPane.showMessageDialog (null, msg);

  } else {}

  JOptionPane.showMessageDialog (null, ' no table (without abbr) found.) ») ;

  }

  //----------------------------------------------------------

  Functions

  //----------------------------------------------------------

  FUNCTION: setTbleAbbrv

  //----------------------------------------------------------

  function setAbbrv (table) {}

  var = abbr "

  var s = table.getPKeys () .toArray ();

  for (var t = 0; t < constr.length; t ++) {}

  cast to string

  var strConstr = constr. [t] + '.';

  If (strConstr.match(/_PK./)) {}

  abbr = strConstr.replace var ('_PK' ");

  }

  }

  If (abbr = ") {}

  MSG += "table" + table.getName () + "is not a PK constraint. \n » ;

  }

  back to abbr;

  }

  FUNCTION: read

  //----------------------------------------------------------

  function read (pMessage) {}

  var input = JOptionPane.showInputDialog (pMessage);

  return entry;

  }

  Hello

  in the loop where you treat the tables, do the following:

  tables [t] .setDirty (true);

  This will mark the object as being edited and saved during the registration of the design.

  Joop